HadrontherapyEventAction.cc

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// Hadrontherapy advanced example for Geant4
// See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy

#include "G4SystemOfUnits.hh"
#include "G4Event.hh"
#include "G4EventManager.hh"
#include "G4HCofThisEvent.hh"
#include "G4VHitsCollection.hh"
#include "G4SDManager.hh"
#include "G4VVisManager.hh"

#include "HadrontherapyEventAction.hh"
#include "HadrontherapyDetectorHit.hh"
#include "HadrontherapyDetectorSD.hh"
#include "HadrontherapyDetectorConstruction.hh"
#include "HadrontherapyMatrix.hh"
#include "HadrontherapyEventActionMessenger.hh"

HadrontherapyEventAction::HadrontherapyEventAction() :
drawFlag("all" ),printModulo(10), pointerEventMessenger(0)
{
    hitsCollectionID = -1;
    pointerEventMessenger = new HadrontherapyEventActionMessenger(this);
}

HadrontherapyEventAction::~HadrontherapyEventAction()
{
    delete pointerEventMessenger;
}

void HadrontherapyEventAction::BeginOfEventAction(const G4Event*)
{
    G4SDManager* pSDManager = G4SDManager::GetSDMpointer();
    if(hitsCollectionID == -1)
        hitsCollectionID = pSDManager -> GetCollectionID("HadrontherapyDetectorHitsCollection");
}

void HadrontherapyEventAction::EndOfEventAction(const G4Event* evt)
{
    if(hitsCollectionID < 0)
        return;
    G4HCofThisEvent* HCE = evt -> GetHCofThisEvent();
    
    // Clear voxels hit list
    HadrontherapyMatrix* matrix = HadrontherapyMatrix::GetInstance();
    if (matrix) matrix -> ClearHitTrack();
    
    if(HCE)
    {
        HadrontherapyDetectorHitsCollection* CHC = (HadrontherapyDetectorHitsCollection*)(HCE -> GetHC(hitsCollectionID));
        if(CHC)
        {
            if(matrix)
            {
                // Fill the matrix with the information: voxel and associated energy deposit
                // in the detector at the end of the event
                
                G4int HitCount = CHC -> entries();
                for (G4int h=0; h<HitCount; h++)
                {
                    G4int i = ((*CHC)[h]) -> GetXID();
                    G4int j = ((*CHC)[h]) -> GetYID();
                    G4int k = ((*CHC)[h]) -> GetZID();
                    G4double energyDeposit = ((*CHC)[h]) -> GetEdep();
                    matrix -> Fill(i, j, k, energyDeposit/MeV);              
                }
            }
        }
    }
}